<template>
  {{a}}
</template>

<script>
export default {
  data () {
    return {
      a: '1'
    }
  },
  methods: {
    add () {
      this.n++
    }
  },
  beforeCreate () {
    console.log(this)
    debugger
  },
  created () {
    console.log(this)
    debugger
  },
  beforeMount () {

  },
  mounted () {

  },
  beforeUpdate () {

  },
  updated () {

  }
}
</script>

<style>
</style>